Dorney Lake Duathlon

NOV
9
2025
Race the flat, fast Dorney Lake Duathlon at the Olympic rowing venue in Windsor. Choose Super Sprint, Sprint, Standard or relay teams and enjoy chip timed results, a themed medal and free race photos.
Sun 9 Nov 2025
Super Sprint Duathlon (2.... Super Sprint Relay (2-3 P... Sprint Duathlon (5k Run +... Standard Duathlon (10k Ru... Standard Relay (2-3 Perso...

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Event overview

The Dorney Lake Duathlon takes place on Sunday 9 November 2025 at Dorney Lake in Windsor, SL4, UK. The venue is an Olympic rowing site with a flat course layout. The bike and run routes are described as flat and are marked with distance flags. The event is chip timed and will have marshals and helpers along the course. Relay options are available so teams can share the disciplines.

Distances and entries

  • Super Sprint - 2.5 km run, 10 km bike, 2.5 km run
  • Sprint - 5 km run, 19 km bike, 2.5 km run
  • Standard - 10 km run, 37 km bike, 5 km run
  • Relay - teams of 2 or 3 share the disciplines

Entry fees range from £45 to £85 depending on the race. Individual race fees listed include Super Sprint £45, Sprint £55, Standard £65, Super Sprint Relay £65, Sprint Relay £75, Standard Relay £85. Non-BTF members must purchase day insurance for £8 after entry. Entries include a themed medal, chip-timed results, post-race goodies, and free race photos. Visit the organization's website for the most recent information.

10 km
Standard Duathlon (10k Run + 37k Bike + 5k Run)
10 km
Standard Relay (2-3 Person Teams; Run 10k, Bike 37k, Run 5k)
5 km
Sprint Duathlon (5k Run + 19k Bike + 2.5k Run)
Super Sprint Duathlon (2.5k Run + 10k Bike + 2.5k Run)
Super Sprint Relay (2-3 Person Teams; 2.5k Run, 10k Bike, 2.5k Run)
Sprint Relay (2-3 Person Teams Share Disciplines)

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